mesomorph (n.)youdaoicibaDictYouDict[mesomorph 词源字典]
1940, from meso- + -morph, from Greek morphe "form" (see Morpheus). Coined by W.H. Shelton; the reference is to the mesodermal layer of the embryo. Related: Mesomorphic (attested from 1923 in chemistry).[mesomorph etymology, mesomorph origin, 英语词源]